General Installation Manual. Technology Ltd, Et....Scale @A4 1:60 Version: 01 25mm recirculation...
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AES coupling. Raised connector. AES offset adapter / end cap. High level air outlet vent to be at least 3m higher than low vent - refer to vent notes. A Section A Single chamber septic tank as specified in AS/NZS1546.1:2008. 25mm recirculation header line. Two compartment pump chamber - to comply with AS/NZS1546.1:2008. Underdrain - refer to underdrain notes. AES pipe. 150mm min. topsoil with ground mounded and extended 1m past AES bed / extension excavation. Low level air inlet vent (beyond) to be at least 3m lower than high vent - refer to notes. Ground level Capped outlet tee - to avoid drawing air from septic tank. Power supply. AES system sand. Filter cloth or sand to protect liner from punctures. Low level air inlet vent (beyond) to be at least 3m lower than high vent - refer to vent notes. Gravity discharge pipe. 25mm recirculation - at base of septic tank - with 4mm holes @300crs at 6 o'clock position. Scum. Sludge. 3000 100mm inlet @ 1:60 min fall to septic tank. AES offset adapter / end cap. AES system sand. Flange tank fitting to suit diameter of underdrain outlet. Salcor 3G UV unit - if required. 150 AES coupling. 3000 Topsoil. AES system sand. 450 150 900 100mm inlet @ 1:60 fall to septic tank. 300 750 AES bed. 450 450 300 300 1500 150 150 300 PLAN LONG SECTION CROSS SECTION A:A 0 1000mm 500 Low level air inlet vent to be at least 3m lower than high vent - refer to vent notes. 1:100 fall to base of AES bed and underdrain - refer to underdrain notes. NOTES AES pipe. Ground level 150 300 300 300 Pea gravel. Drainage metal. Gravity discharge pipe. 750 min. micron liner. Scale @A3 Dwg: 1:30 AES LB03RGD Scale @A4 1:60 Version: 01 25mm recirculation header line. AES bed. Underdrain - refer to underdrain notes. 300 AES pipe. Tuf-Tite riser system, or alternate. 330 205 High level air outlet vent to be at least 3m higher than low vent - refer to vent notes. 20mm washed stones with liner folded above and below - allowing gas to escape. 100mm pipe @ 1:100 fall to AES bed. Raised connector. Recirculation pump. 150 150 150 150 150 Flange tank fitting to suit diameter of underdrain outlet. Outlet @ 1:100 min. fall back toward AES bed. 1000 Raised connector. [email protected] - www.et.nz 750 min. micron liner. 750 min. micron liner. . Refer to landscaping note. This generic drawing is the Copyright © of Environment Technology Ltd (Et). It is supplied by Et for use in New Zealand and may not address site specific aspects of an AES treatment system design. Use of this drawing as part of a design proposal must be in accordance with Et Copyright and conditions of use - available at https://www.et.nz/disclaimer-and-copyright/ Each designer using this drawing for a design for a particular site: (a) Shall be solely responsible for the wastewater treatment system design for that site having regard to all the circumstances applying at that site and; (b) By using this generic material, the designer guarantees that Et shall have no liability for plans submitted by that designer to clients, local authorities or any other person. Lined AES Beds and Underdrains · Designer to specify the proposed construction detail incorporating: · Specification of the lining membrane incorporating a minimum 25 year design life. Minimum standard of 750micron LDPE required. · Detail of protection of the membrane from perforation by the surrounding ground utilising a minimum of Bidim A14 non-woven filter cloth or equivalent. · Minimum 1:100 fall to collection pipe on bed base. · Minimum 50mm diameter collection pipe as DWV or PN10 and detail of collection perforations at 4 and 8 o’clock at 300mm centres as 10mm diameter holes or 100mm long horizontal 3mm wide saw cuts. · The collection pipe preferably enclosed in suitable larger diameter perforated ‘draincoil’. · The up grade end of the collection pipe brought to the surface of the bed and capped with a suitable vent cap. · Detail of the flanged connection sealing the perforation of the lining membrane. · Pea metal drainage media from base of AES sand bed to collection pipework. If crushed pea metal drainage media used further A14 material placed over lining membrane to the edge of the collection bed. · If ‘Draincoil’ screening is not provided then nominal 20mm drainage metal surrounding the collection pipe. Pump Chamber · Sensitive installations may require twin pumps and alternate duty pump controllers. · Pump installations should detail simple replacement procedures using weather proof 3 pin plugs and sockets in suitable sized ducts for easy owner replacement. General · Advanced Enviro-Septic (AES) pipes, fittings and bed to be constructed/installed in accordance with the AES Installation Manual. · AES pipes and fittings are supplied by Environment Technology Ltd, Et. · All associated pipework to comply with NZ Building Code G13, Foul Water, Acceptable Solutions, relevant standards and local/regional council requirements. · Unless otherwise stated all dimensions are in millimetres and all dimensions are minimums except pipe diameters and fittings. Venting of AES Pipework - to Maintain Aerobic Internal Conditions · The high level air exhaust vent to be 100, 80, or 65mm diameter DWV pipe, suitably supported on an adjacent building or post, to be 3m vertically elevated above the air entry vent. 2 x 50mm DWV pipe can be used in internal building framing. Support to be provided to 1 meter below the top of the DWV vent pipe. · The low level air entry vent to be 100mm DWV, positioned as close as practical to the AES bed and isolated with respect to air passage wherever practical from upstream influent pipework. Refer to the specific design of each project. · The location of air entry and exit vents can be remote from the AES bed with additional pipework to suit topography, building structures or landscaping. Air exit vents should be positioned considering potential downdrafts or adjacent disturbed air flows. AES Bed Construction · An areal extension to the AES bed may be required to suit the permeability of the receiving soil in passive installations. These extensions may be on any or all sides of the bed. Refer to the AES bed dimensions noted on the specific design. N/A or not applicable denotes an extension is not required in this design. · A minimum of 50mm of fall is required between the septic tank outlet invert and the invert of the inlet to the AES bed or distribution box. · Trees/large shrubs cannot be planted on the AES bed. · AES bed ‘System Sand’ specification is usually met with within the local concrete sand specification. Refer ET website www.et.nz/system-sand-suppliers/ for Et tested AES System Sand suppliers. Et offers cost free sand sieve analysis upon receipt of a two cupful size sample. . 25mm recirculation header line -at base of septic tank - with 4mm holes @300crs at 6 o'clock position. 100mm pipe @ 1:100 fall to pipe after septic tank. Underdrain vent and access port. Total no. AES pipes Total AES bed, incl. extension: Infiltration area m2 Width m Length m
Transcript of General Installation Manual. Technology Ltd, Et....Scale @A4 1:60 Version: 01 25mm recirculation...
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AES coupling.
Raised connector.
AES offset adapter / end cap.
High level air outlet vent to be atleast 3m higher than low vent -refer to vent notes.
A
Section A
Single chamber septic tankas specified in AS/NZS1546.1:2008.
25mm recirculation header line.
Two compartment pumpchamber - to comply with
AS/NZS1546.1:2008.
Underdrain - refer to underdrainnotes.
AES pipe.
150mm min. topsoil with groundmounded and extended 1m pastAES bed / extension excavation.
Low level air inlet vent (beyond)to be at least 3m lower than highvent - refer to notes.
Ground level
Capped outlet tee - to avoiddrawing air from septic tank.
Power supply.
AES system sand.
Filter cloth or sand to protectliner from punctures.
Low level air inlet vent (beyond)to be at least 3m lower than highvent - refer to vent notes.
Gravity discharge pipe.
25mm recirculation - at base ofseptic tank - with 4mm holes@300crs at 6 o'clock position.
Scum.
Sludge.
30
00
100mm inlet @ 1:60 min fall toseptic tank.
AES offset adapter / end cap.AES system sand.
Flange tank fitting to suitdiameter of underdrain outlet.
Salcor 3G UV unit - if required.15
0
AES coupling.
30
00
Topsoil.
AES system sand.
45
0
15
0
90
0
100mm inlet @ 1:60 fall toseptic tank.
30
0
75
0
AES bed.
450 450 300300
1500
150
15
0
300
PLAN
LONGSECTION
CROSSSECTION A:A
0 1000mm500
Low level air inlet vent to be atleast 3m lower than high vent -refer to vent notes.
1:100 fall to base of AES bedand underdrain - refer tounderdrain notes.
NOTES
AES pipe.
Ground level
15
03
00
300300
Pea gravel.
Drainage metal.
Gravity discharge pipe.
750 min. micron liner.
Scale @A3
Dwg:
1:30
AES LB03RGD
Scale @A4 1:60
Version: 01
25mm recirculation header line.
AES bed.
Underdrain - refer to underdrainnotes.
300
AES pipe.
Tuf-Tite riser system, oralternate.
33
020
5
High level air outlet vent to beat least 3m higher than lowvent - refer to vent notes.
20mm washed stones withliner folded above and below- allowing gas to escape.
100mm pipe @ 1:100 fall toAES bed.
Raised connector.
Recirculation pump.
15
0
15
01
50
15
01
50
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Flange tank fitting to suitdiameter of underdrain outlet.
Outlet @ 1:100 min. fall backtoward AES bed.
1000
Raised connector.
[email protected] - www.et.nz
750 min. micron liner.
750 min. micron liner.
.
Refer to landscaping note.
This generic drawing is the Copyright © of Environment Technology Ltd (Et). It is supplied by Et for use in New Zealand and may not address sitespecific aspects of an AES treatment system design. Use of this drawing as part of a design proposal must be in accordance with Et Copyrightand conditions of use - available at https://www.et.nz/disclaimer-and-copyright/Each designer using this drawing for a design for a particular site: (a) Shall be solely responsible for the wastewater treatment system design forthat site having regard to all the circumstances applying at that site and; (b) By using this generic material, the designer guarantees that Et shallhave no liability for plans submitted by that designer to clients, local authorities or any other person.
Lined AES Beds and Underdrains· Designer to specify the proposed construction detailincorporating:· Specification of the lining membrane incorporating aminimum 25 year design life. Minimum standard of750micron LDPE required.· Detail of protection of the membrane from perforationby the surrounding ground utilising a minimum of BidimA14 non-woven filter cloth or equivalent.· Minimum 1:100 fall to collection pipe on bed base.· Minimum 50mm diameter collection pipe as DWV orPN10 and detail of collection perforations at 4 and 8o’clock at 300mm centres as 10mm diameter holes or100mm long horizontal 3mm wide saw cuts.· The collection pipe preferably enclosed in suitablelarger diameter perforated ‘draincoil’.· The up grade end of the collection pipe brought to thesurface of the bed and capped with a suitable vent cap.· Detail of the flanged connection sealing the perforationof the lining membrane.· Pea metal drainage media from base of AES sand bedto collection pipework. If crushed pea metal drainagemedia used further A14 material placed over liningmembrane to the edge of the collection bed.· If ‘Draincoil’ screening is not provided then nominal20mm drainage metal surrounding the collection pipe.
Pump Chamber· Sensitive installations may require twin pumps andalternate duty pump controllers.· Pump installations should detail simple replacementprocedures using weather proof 3 pin plugs and socketsin suitable sized ducts for easy owner replacement.
General· Advanced Enviro-Septic (AES) pipes, fittings and bed tobe constructed/installed in accordance with the AESInstallation Manual.· AES pipes and fittings are supplied by EnvironmentTechnology Ltd, Et.· All associated pipework to comply with NZ BuildingCode G13, Foul Water, Acceptable Solutions, relevantstandards and local/regional council requirements.· Unless otherwise stated all dimensions are inmillimetres and all dimensions are minimums except pipediameters and fittings.Venting of AES Pipework -to Maintain Aerobic Internal Conditions· The high level air exhaust vent to be 100, 80, or 65mmdiameter DWV pipe, suitably supported on an adjacentbuilding or post, to be 3m vertically elevated above theair entry vent. 2 x 50mm DWV pipe can be used ininternal building framing. Support to be provided to 1meter below the top of the DWV vent pipe.· The low level air entry vent to be 100mm DWV,positioned as close as practical to the AES bed andisolated with respect to air passage wherever practicalfrom upstream influent pipework. Refer to the specificdesign of each project.· The location of air entry and exit vents can be remotefrom the AES bed with additional pipework to suittopography, building structures or landscaping. Air exitvents should be positioned considering potentialdowndrafts or adjacent disturbed air flows.AES Bed Construction· An areal extension to the AES bed may be required tosuit the permeability of the receiving soil in passiveinstallations. These extensions may be on any or allsides of the bed. Refer to the AES bed dimensions notedon the specific design. N/A or not applicable denotes anextension is not required in this design.· A minimum of 50mm of fall is required between theseptic tank outlet invert and the invert of the inlet to theAES bed or distribution box.· Trees/large shrubs cannot be planted on the AES bed.· AES bed ‘System Sand’ specification is usually met withwithin the local concrete sand specification. Refer ETwebsite www.et.nz/system-sand-suppliers/ for Et testedAES System Sand suppliers. Et offers cost free sandsieve analysis upon receipt of a two cupful size sample.
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25mm recirculation header line-at base of septic tank - with4mm holes @300crs at 6o'clock position.
100mm pipe @ 1:100 fallto pipe after septic tank.
Underdrain vent and accessport.
Total no. AES pipes
Total AES bed, incl. extension:
Infiltration area m2
Width m
Length m
Text1-LB03RG Notes: Text2-Designed by: Designed By:Text3-Design Title & Location: Project Information:Text4-AES Bed Dimensions: Text5-No: AES Pipes:
Text6-AES Bed Length:
